Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9234971 | Direct reservoir signature using the drag wave | Sofia Khan | 2016-01-12 |
| 6807487 | Mapping permeable reservoir formations by measuring the elastic nonlinear interactions of a seismic wave as it propagates through the reservoir rock matrix and its pore fluids | — | 2004-10-19 |
| 6789018 | Mapping reservoir rocks using frequency spectral broadening and the presence of the slow-wave | — | 2004-09-07 |
| 6684159 | Mapping subsurface open fractures in a reservoir using a surface impulse and a downhole vibratory source | Sofia Khan McGuire | 2004-01-27 |
| 6678617 | Mapping subsurface open fractures using elastically nonlinear interaction of two surface-generated waves | — | 2004-01-13 |
| 6631783 | Mapping reservoir characteristics using earth's nonlinearity as a seismic attribute | — | 2003-10-14 |
| 6614717 | Time-lapse seismic using nonlinear seismic imaging | Sofia Khan McGuire | 2003-09-02 |
| 6597632 | Mapping subsurface fractures using nonlinearity measurements | — | 2003-07-22 |
| 6175536 | Cross-well seismic mapping method for determining non-linear properties of earth formations between wellbores | — | 2001-01-16 |
| 6009043 | Cross-well connectivity mapping including separation of compressional and shear wave energy | Yu Taik Chon, Walter R. Turpening | 1999-12-28 |
| 5740125 | Cross-well connectivity mapping including separation of compressional and shear wave energy | Yu Taik Chon, Walter R. Turpening | 1998-04-14 |
| 4982374 | Method of source coding and harmonic cancellation for vibrational geophysical survey sources | B. Leon Edington | 1991-01-01 |
| 4307790 | Weight-drop seismic exploration system | David Kratochvil | 1981-12-29 |
| 4246652 | Seismic source signatured evaluation apparatus | Michel P. Moesse | 1981-01-20 |